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CVE-2026-64597

9.8 critical SSVC exploitation: none Published
NVD · CVE.org

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_close() replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_close_init() fails before the next send, cleanup retains the previous buffer type and frees that response again. Reset response bookkeeping before each attempt to prevent the stale free.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. StatusReceived → PublishedNVD modified 2026-10-19 20:48
  2. CwesCWE-415NVD modified 2026-10-19 21:17
  3. First seenCVSS 9.8NVD modified 2026-10-16 16:19

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 5